Multiple Choice
Solve.
-x - y + z = 8 x + y + z = 6
X + y - z = -12
A) (-2, -1, 9)
B) (-2, -1, -9)
C) (2, -1, -9)
D) (2, -1, 9)
Correct Answer:
Verified
Correct Answer:
Verified
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